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A first-order equation of the form $\dfrac{dy}{dx} = f(x)\,g(y)$ is solved by the method of:
Asubstitution of constants
Bpartial fractions
Cintegration by parts
Dvariable separation
Answer & Solution
Correct answer: D. variable separation
Equations of the form dy/dx = f(x)g(y) are solved by separating variables.
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